| Comet | C/2009 Y1 (Catalina) |
|---|---|
| User | cer01 |
| User`s name | Jakub Černý |
| Observation's time (UT) | 2010-10-09 21:50:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 14 |
| Comparison stars source | |
| Method | M - Morris`s method |
| Coma diameter(') | 1 |
| Tail's length | Not set |
| Condensation | 7 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 30 cm |
| Focal length (mm) | 1800 |
| Type of tool | L - Newtonian reflector |
| Magnification | 254 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2010 Oct 9.91 UT: m1=14, Dia.=1', DC=7 ...30-cm (254x) ...Jakub Černý (, ) |
